userlibandfileserver/fileserver/shostmassstorage/msproxy/tmsmemmap.h
author Mike Kinghan <mikek@symbian.org>
Tue, 16 Nov 2010 14:39:21 +0000
branchGCC_SURGE
changeset 303 9b85206a602c
parent 109 b3a1d9898418
permissions -rw-r--r--
We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass of the rom input files can be informed what toolchain we are building with and conditionally include or exclude files depending on whether the toolchain could build them.

// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//

/**
 @file
 @internalTechnology
*/

#ifndef TMSMEMMAP_H
#define TMSMEMMAP_H



class TMsDataMemMap
	{
public:

	TMsDataMemMap();
    void Reset();

    void InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors, TUint32 aSectorSize);
    void InitDataArea(TUint64 aSize);

    TUint32 BlockLength() const;
    TUint64 DataSize() const;

    TInt64 GetDataPos(TInt64 aPos) const;
    TInt TranslateDataPos(TInt64& aPos, TInt& aLength) const;
    TInt CheckBlockInRange(TInt64& aPos, TInt aLength) const;
    TInt FormatSectorShift() const;

private:
    // Whole media
    // Size
    TUint64 iSize;

    // Data Area
    // Offset
    TInt64 iDataOffset;

    // Sector Size (Media Block Size)
    TUint32 iSectorSize;
    
    // Sector-size dependant
    TInt iFormatSectorShift;
	};

#include "tmsmemmap.inl"

#endif // TMSMEMMAP_H